Stand for charts



(No Model.)

' L. B. SOMERBY.

STAND FOR CHARTS, am. No. 397,759. Patented Feb. 12, 1889.

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FFICEQ LUREYZU l"). SOMERBY, OF ,llOS'lON MAHSAtlll Slfi'lTS.

STAND FUR CHARTS, 8w.

SPECIFICATION forming part of Letters Patent No. 397,759, dated February 12, 1889.,

Appli i n fil October 18, 1888. Serial No. 288,446. (No model.)

To aZZ whom it may concern Be it known that I, LoRnNzo B. Sonnanv, of Boston, county of Suffolk, State of Massachusetts, have invented an Improvement in Stands for Charts, &c., of which the following description, in connection with the accompanying drawings, is a specification, like letters on the drawings representing like parts.

This invention has for its object to provide a novel stand or tripod especially adapted to be used among other things for supporting charts and like articles, my improved stand being composed of independent parts capable of being readily detached from one another, so that the stand maybe folded conipactly to occupy a small space, which is especially desirable in transportation from one place to anotheras, for instance, in shipment on cars.

My invention therefore consists in the combination, with a spindle provided with lugs or cars, of castings pivoted to said lugs or cars and provided with legs, and a rod-supporting sleeve secured upon said spindle against vertical movement, substantially as described, and engaging said castings to lock them and their attached legs in operative position, substantially as will be described.

Figure l in elevation represents the stand in position to be used, the legs being broken out, and also the rods to which the chart (not shown) is to be attached to save space in the drawings. Fig. 2 is a top or plan viewol' the lower portion of the stand, the sleeve provided with the chart-supporting rods being omitted; and Fig. I is a sectional detail to be referred to.

Myimprovcd stand is composed, essentially, of an upper and lower portion detachably secured together, as will be described.

The lower portion of the stand is composed of a spindle, (I, provided, as shown, with ears or lugs 61, to which are pivoted castings a having secured to or forming part of them rods (t comprising the legs of the stand. The spindle u is herein represented as provided with threads for a portion of its length to cooperate with a threaded sleeve, 1), provided, as shown, with arms 1), extended at an an gle therefrom and adapted to receive the chart supporting rods b preferably curved at their constituting the upper portion of my improved stand. Below the threaded port-ion of the spindle I have provided V-shaped vertical slots,

v(see l igs. 2 and 3,) into which slots enter the ends of the eastin gs (1?, so that when the said legs are spread apart with the ends of the cast ings in the said slots, and the sleeve b is turned down to fit over the said castings, the latter are prevented from wal'ibling or side movement.

The sleeve 1) is made cup-shaped at its un dcr side, as herein shown, so that when the said sleeve is screwed upon the spindle a into operative position the cup-shaped bottom of the sleeve extends over or overlaps the small upper ends of the castings (1?, as shown in Fig. 3, thereby preventing the legs from be ing folded up while the stand is in use. So also the cup-shaped bottom overlapping the castings as described permits the sleeve b to be turned round on the spindle a one or more times to bring the chart or other object supported by the rods b into any desired position.

My improved stand may be readily taken apart and compacted into small space, the rods I) being detached from the arms I) and the sleeve 1) unscrewed from the spindle a, and the legs a? then folded up, so that the stand when folded together occupies but substantially little space and can be readi l vtransported.

I claim- 1. in a stand for charts, &c., the combina tion, with a spindle, (I, provided with lugs or ears, of castings pivoted to said lugs or cars and provided with legs, and arod-supporting sleeve, 0, secured upon said spindle against vertical movement, substantially as described, and engaging said castings to lock them and their attached legs in operative position, substantially as described.

la a stand for charts, &c., the combination,wi1h a spindle, o, of castings pivoted thereto and provided with legs, and a rodsupporting sleeve, Z), secured upon said spindle against vertical movement, substantially as described, and cup-shaped at its under side to engage the said castings to lock them in operative position, substantially as described.

3. In a stand for charts, &e., the spindle a, Pl'OYidOd with ears, an annular collar or hub secured thereto and provided with slots, and castings pivoted to 1he said ea s and legs g secured to said castings, the ends of the said 1 castings being ada 'ited to fit into the said 1 slots, emnbined with a sleeve eup-shapmfl at; its under side and serewed upon said rod and piovided with arms to receive eharl-suslaim lug rods, substantially as deseribed.

4. In a stand for charts, &v., aspindlo, u, provided with serew-i breads, an d (*asi ings provided with legs pivoted to said spindle, combined with a threaded sleeve, 1), cup-shaped at its under side, screwed upon said spindle, and having its bottom enp-shaped to fit over the ends of said castings, and rods to sustain the ell-art or like obj eet secured to said sleeve, substantially as described.

In testi niony whereof I have signed my name to this specification in the presence of two subsm-ibing' witnesses.

LORENZO l2. SUMERB'Y.

'\\' i messes:

J'As. ll. (iI-HTIfll'IlLL, H. DEXVAR. 

